Search for dissertations about: "Ivar Ringqvist"
Found 3 swedish dissertations containing the words Ivar Ringqvist.
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1. Left Ventricular Systolic Dysfunction in 75-year-old Men and Women : A Community-based Study of Prevalence, Screening and Mitral Annulus Motion for Diagnosis and Prognostics
Abstract : Reduced performance of the left ventricle to eject blood – left ventricular systolic dysfunction (LVSD) – is a common predecessor of the heart failure syndrome. With or without symptoms, LVSD is associated with a poor prognosis. READ MORE
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2. Performance testing of ultrasound Doppler equipment
Abstract : Blood and tissue velocities are measured and analysed in cardiac, vascular and other applications of diagnostic ultrasound. Errors in system performance might give invalid measurements.We developed two moving string test targets (“Doppler phantoms”) to characterise ultrasound Doppler systems. READ MORE
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3. Testing of Doppler Ultrasound Systems
Abstract : Blood and tissue velocities are measured and analyzed in cardiac, vascular, and other applications of diagnostic ultrasound. Errors in system performance might give invalid measurements.We developed two moving string test targets and a rotating cylinder phantom (Doppler phantoms) to characterize Doppler ultrasound systems. READ MORE